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| Brand Name: | VIGOROUS |
| Moq: | 1 Piece |
| Price: | Negotiable |
| Payment Terms: | T/T,L/C |
| Supply Ability: | 500–2000 pcs/month |
This custom C-shaped spline locking gear ring is manufactured via 6-axis CNC composite milling + precision gear hobbing process, integrating full perimeter straight spline teeth, multi-tapped mounting holes, inner circular datum and precision C-type elastic split opening in one single forming cycle. The component is designed for high-torque shaft clamping, motor stator positioning, industrial tool quick-change connection and automation equipment zero-backlash locking, with strict control over tooth profile runout, inner bore concentricity and opening elastic deformation tolerance, to guarantee no slippage under dynamic high-load rotation.
This precision C-spline locking ring is produced with full 6-axis CNC milling + dedicated high-speed gear hobbing composite manufacturing, eliminating repeated re-clamping positioning errors that separate sequential hobbing and drilling processes will introduce. Every feature on the part — including the full 360° surrounding straight spline teeth, 8+ evenly distributed threaded mounting holes, precision inner datum bore, and the C-shaped elastic split opening — is completed in one continuous processing workflow, to ensure absolute parallelism between the top and bottom mounting planes, 100% tooth profile indexing accuracy, and uniform elastic deformation along the whole C-opening when tightening the set screws.
We support a wide selection of material grades to match different application scenarios: 6061-T6 aluminum alloy for lightweight high-speed automation parts, 7075-T6 aluminum for high-torque heavy load clamping, 304 / 316 stainless steel for corrosion-resistant food & marine equipment, 4140 alloy steel for high rigidity industrial transmission systems. Every finished locking ring goes through 3 full inspection steps before delivery: spline tooth profile CMM check, inner bore concentricity test, and opening elastic fatigue validation, to make sure it locks on your shaft perfectly without any slippage or misalignment.
| Item | Technical Specification |
|---|---|
| Outer Diameter | Customizable, standard stock 128mm |
| Inner Bore Diameter | Customizable, standard stock 82mm |
| Overall Axial Thickness | 18mm ~ 45mm, fully configurable |
| Spline Tooth Quantity | 32T / 48T / custom tooth count available |
| Tooth Profile Runout Tolerance | ≤ 0.005mm |
| Inner Bore Concentricity | ≤ 0.004mm |
| Opening Elastic Clamping Stroke | 0.5mm ~ 2.2mm, matched to shaft tolerance |
| Available Materials | 6061-T6 Aluminum, 7075-T6 Aluminum, 304 Stainless Steel, 316 Stainless Steel, 4140 Alloy Steel, 2024 Aluminum |
| Surface Treatment | Deburr & Polished, Hard Anodizing, Clear Anodizing, Black Oxide, Passivation, Powder Coating, Nickel Plating |
6-Axis Composite One-Setup Machining: The whole part is processed on 6-axis simultaneous CNC machine, no secondary repositioning. All threaded holes, inner bore, C-opening and tooth pre-cut contours are formed in one pass, to lock the relative position between every feature at micron level.
High-Precision Gear Hobbing Spline Teeth: Full perimeter straight spline teeth are hobbed on dedicated CNC gear hobbing machine, not milled by general end mill, every tooth flank has consistent surface roughness Ra ≤ 0.8, no burr on tooth tip, full tooth engagement area up to 92% to deliver maximum torque transfer.
Elastic C-Opening Precision Wire Cutting: The C-type split gap is cut via slow-feeding wire EDM, the two opening parallel faces maintain absolute flatness, no residual stress after cutting, when you tighten the set screws, the inner bore will shrink uniformly around the shaft without offset or tilt.
Inner Bore Ultra-Precision Honing: The inner datum bore goes through final CNC honing process after all hard machining, no tool mark, perfect roundness, zero clearance fit with matched shaft, no rocking or backlash even under frequent forward/reverse rotation.
Full Stress Relieving After Processing: Every ring goes through low-temperature vibratory stress relief after all machining steps, to eliminate internal cutting stress completely, no tooth profile deformation or opening size drift even after 1000+ times of clamping/unclamping cycles.
Zero-backlash high torque locking: The full spline tooth profile fully engages with matched shaft spline, no point contact slippage, can transfer 3~4 times more torque than ordinary round clamping collars.
Perfect concentric rotation performance: All features are locked at micron tolerance, the ring will keep perfect coaxial rotation with the shaft, no eccentric runout even running at 8000+ RPM.
Long service life in continuous operation: Hard anodized aluminum or alloy steel option delivers 2x higher wear resistance than ordinary turned parts, no tooth wear even under 24/7 dynamic working conditions.
100% custom to your drawings: We support full custom tooth profile, opening length, mounting hole layout, material selection and surface treatment, from 1 prototype piece to 10,000+ mass production batches, fully follow your CAD files or sample references.
Full traceable quality control: Every order comes with material test report, spline tooth inspection sheet, and concentricity certification, you don't need extra incoming quality check work before assembly.
Q1: Can you manufacture this custom C-spline locking ring exactly following my own 2D/3D drawings or physical samples?
A1: Absolutely yes — we provide full turn-key custom CNC machining service for spline transmission components. You only need to upload your CAD files or send us the original sample, our engineering team will review all critical tolerance points for free and confirm every detail before production.
Q2: What material is most recommended for this type of high-torque spline locking ring?
A2: For most automation and motor applications, 7075-T6 aluminum with hard anodizing is the top pick — it balances lightweight, high rigidity and excellent wear resistance. For heavy load industrial transmission scenarios, 4140 alloy steel is the best option for maximum torque performance.
Q3: What is the tightest tolerance you can hold for the spline teeth and inner bore?
A3: We can hold tooth profile runout ≤ 0.005mm and inner bore concentricity ≤ 0.004mm, which meets the zero-backlash requirement for precision rotation systems.
Q4: What surface treatments do you support for this C-spline locking ring?
A4: We offer deburr & vibratory polishing, hard anodizing, clear/color anodizing, black oxide, stainless steel passivation, electroless nickel plating and low gloss powder coating. You can select the exact finish to match your equipment appearance and working environment.
Q5: How long is the standard lead time for custom orders?
A5: Sample/prototype lead time is 4~7 working days, mass production lead time is 10~16 working days, the exact timeline depends on part complexity, custom tooth geometry, material grade and total order quantity.
